Tube arrangement to enhance sealing between tubular members
US9856710B2 · kind B2 · utility
15Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2013 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Jul 6, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/01
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An well assembly having a housing with an inner surface, the assembly including a tubular member inserted in the housing and having an outer surface. The assembly further includes a plurality of protrusions extending from one of the inner or outer surfaces, the protrusions separated by gaps defined between adjacent protrusions. In addition, the well assembly includes a metal to metal seal pressed against and deformed by the protrusions. A plurality of hollow tubes are provided for insertion in the gaps between the protrusions, the tubes being collapsible upon engagement with the metal to metal seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.